Home / 104,981.78-144,875.31-67,277.90

Finding the Fourth Proportional to 104,981.78, 144,875.31 and 67,277.90

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Solution

The fourth proportional to 104,981.78, 144,875.31 and 67,277.90 is: 92,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,981.78 : 144,875.31 = 67,277.90 : x
  2. Step 2: Convert to fraction form
    104,981.78/144,875.31 = 67,277.90/x
  3. Step 3: Cross multiply
    104,981.78x = 144,875.31 × 67,277.90
  4. Step 4: Simplify right side
    104,981.78x = 9,746,906,618.65
  5. Step 5: Solve for x
    x = 9,746,906,618.65/104,981.78
  6. Step 6: Final answer
    x = 92,843.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.